[ros-users] camera_calibration

Patrick Beeson beeson.p at gmail.com
Tue Apr 6 22:10:33 UTC 2010

Data is at http://daneel.traclabs.com/~pbeeson/calibrationdata.tar.gz

Patrick Mihelich wrote:
> On Tue, Apr 6, 2010 at 2:01 PM, Patrick Beeson <beeson.p at gmail.com 
> <mailto:beeson.p at gmail.com>> wrote:
>     Sorry, I just checked and I am actually using the trunk, not latest.
>     The problem is that I'm getting large rotational values, and I'm only
>     ever seeing a horizontal offset in T (top right value in projection
>     matrix) as non-zero, even though the cameras are at slightly different
>     heights.  I can send the saved tar.gz file that contains the images used
>     and the ost.txt created if it helps.
> Yes, can you send me the output tar.gz file or post it online somewhere?
> The projection matrix describes projection into rectified image 
> coordinates, where the rotation matrices have already been applied to 
> make the left and right images aligned with each other. In those 
> idealized coordinates, the baseline is purely horizontal, so you 
> shouldn't see any vertical offset in the projection matrices.
> - Patrick
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